高中英语专题：时间状语从句 专项练习

高中英语专题：时间状语从句 专项练习

1．— Why didn't you try to finish the composition? 

— I tried to, but ________ I could, the bell ran announcing the end of the examination.

A．until B．when C．after D．before

2．I just sat by the window watching the passing scene ________ I caught the eye of a waiter and ordered my meal. 

A．once B．since C．while D．until

3．You see the lightning ______ it happens, but you hear the thunder later. 

A．the instant B．for an instant C．on the instant D．in an instant

4．— How long have you been collecting shells? 

— ________.

A．After I left school B．Before I moved here

C．When I went to the beach D．Since I was ten years old

5．The kids get up early and have at least one hour ________ they are sent to school. 

A．since B．before C．unless D．though

6．Peter had been puzzled over the problem for over an hour___________ all at once the solution flashed across his mind.  

A．when B．while C．then D．as

7．Ms. Ji had been thinking about what to cook for lunch the whole morning ________ all at once an authentic recipe for stewed eggplants ________ her on her drive home.  

A．when; stuck B．while; struck C．when; struck D．while; stuck

8．The meaning of the word "nice" changed a few tines ________ it finally came to include the sense "pleasant."  

A．before B．after C．since D．while

9．— It is five years ____I saw you last. 

— Yes, and what a pity it is since it will be several years ____we see each other again.

A．before; since B．when; when C．since; before D．when; then

10．The police         the murderer everywhere when he suddenly appeared in a theatre.  

A．is searching B．were searching

C．are searching for D．were searching for

11．Though it is 30 years       we last met, I still remember the scene       we got separated on a rainy day.  

A．before; where B．before; which C．since; when D．since; where

12．China is playing a key role in controlling the virus. However, it will take long and much effort ________ it is under control.  

A．until B．after C．before D．unless

13．I was so proud    my team won the ice hockey competition. It made me feel like I could achieve anything.  

A．while B．when C．before D．until

14．Mary rushed home______ she heard the news, only ______ that her husband was gone.  

A．as soon as; finding B．immediately; to find

C．the moment; find D．when; found

15．The train left ________he had time to dash in to take back his bag.  

A．before B．as C．after D．until

16．How long do you think      the computer company brings out a new product?  

A．it will be before B．will it be until

C．will it be when D．it will be that

17．I had hardly rung the bell ________ the door was opened suddenly, and my son rushed out to greet me.  

A．before B．until C．as D．since

18．I thought her nice and honest _____ I met her.  

A．first time B．for the first time

C．the first time D．by the first time

19．Nancy enjoyed herself so much ______ she visited her friends in Sydney last year.  

A．that B．which C．when D．where

20．It is about ten years _____ I met you last time.  

A．since B．for C．when D．as

21．How long do you think   the car factory launches a new model?  

A．will it be until B．it will be before

C．will it be when D．it will be that

22．______ the price of food and oil hit the headline, perhaps we should be worried more about water.  

A．Unless B．While C．As D．If

23．Most people quit           any results appear; they give up too soon and a quitter never wins.  

A．while B．until C．since D．before

24．He had no sooner finished his speech ________ the students started cheering.  

A．since B．as C．when D．than

25．It was the middle of the night ________ my dad woke me up and told me to watch the football game.  

A．when B．that C．which D．as

26．Patrick waited       all the luggage was cleared, but his never appeared.  

A．until B．before C．when D．while

27．Most people quit ________ any results appear; they give up too soon and a quitter never wins.  

A．while B．until C．since D．before

28．Linda couldn't have broken into the teacher's office at midnight, for it was only nine o'clock ______she returned to the dormitory and had a sound sleep.  

A．before B．when C．that D．until

29．The girl was then hit a second time by another van _________ an elderly trash collector came to her aid, according to some witnesses.  

A．before B．where C．until D．when

30．—When shall we set about doing our work? 

—______ all the group members are here.

A．Until B．Since C．Unless D．Not until

31．— When will the bike-sharing schemes be introduced to the public? 

— Not until _______ a better understanding of them.

A．we have had B．will we have had

C．have we had D．we will have had

32．Someone called me up at midnight, but he had hung up        I could answer the phone.

A．as B．since C．until D．before

33．She was such a proud person that she would die        she would admit she was wrong.

A．since B．when C．unless D．before

34．       you can learn to appreciate the challenges in life, you will find inner strength.

A．When B．While C．Before D．Unless

35．You don't need an invitation to help others. Give help _____you are asked.

A．if B．as C．though D．before

36．The government has taken some measures to reduce the smog, but it may be some time _____ the situation improves.

A．since B．when C．unless D．before

37．Self-driving vehicles still have a long way to go        they can reach the mass production stage.

A．when B．since C．as D．before

38．He is writing a book about new discoveries in science. I am sure, _________ it is printed, this book will be very popular.

A．once B．while C．now that D．though

39．Why do you want a new job __________ you have got such a good one already?

A．when B．while C．as D．although

40．It will be quite a long time _______ she is back again, so don't be too cross with her.

A．that B．since C．before D．until

41．______ the sun rises, all the stars in the sky disappear.

A．The moment B．Before C．Till D．For

42．You won't find it difficult ______ you have mastered it.

A．before B．while C．once D．though

43．—It's a long time ________ I saw you last.

—Yes，and what a pity！It will be a long time ________ we see each other again.

A．since; before B．when; when C．since; when D．before; since

44．It is nearly 50 years ______ the People's Republic of China was founded.

A．after B．before C．when D．since

45．They had not known each other three days ______ they began to quarrel.

A．after B．until C．when D．before

46．Children should be warned that it's dangerous to open the microwave oven ________ it is still working.

A．until B．after C．before D．while

47．— I like your new shoes!

— Thanks. I had to try on almost a dozen pairs _________ I decided to get them.

A．as B．when C．after D．before

48．— Why didn't you tell him about the meeting?
— He rushed out of the room _____ I could say a word.

A．when B．after C．before D．until

49．Let me take down ________ you've said ________ I forget. 

A．that, when B．what, before

C．which, before D．what, when

50．______ the average age of the population increases, there are more and more old people to care for. 

A．Unless B．Until C．As D．While

答案解析部分

1．D

2．D

3．A

4．D

5．B

6．A

7．C

8．A

9．C

10．D

11．D

12．C

13．B

14．B

15．A

16．A

17．A

18．C

19．C

20．A

21．B

22．B

23．D

24．D

25．A

26．A

27．D

28．B

29．A

30．D

31．A

32．D

33．D

34．A

35．D

36．D

37．D

38．A

39．A

40．C

41．A

42．C

43．A

44．D

45．D

46．D

47．D

48．C

49．B

50．C